CN207500298U - A kind of flat U-bolt - Google Patents
A kind of flat U-bolt Download PDFInfo
- Publication number
- CN207500298U CN207500298U CN201721335733.6U CN201721335733U CN207500298U CN 207500298 U CN207500298 U CN 207500298U CN 201721335733 U CN201721335733 U CN 201721335733U CN 207500298 U CN207500298 U CN 207500298U
- Authority
- CN
- China
- Prior art keywords
- flat
- bolt
- stud
- cross bar
- montant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 241001442589 Convoluta Species 0.000 claims abstract description 13
- 239000000872 buffer Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000003139 buffering effect Effects 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a kind of flat U-bolt, belong to bolt assembly technical field, including bolt body and two nuts, the bolt body includes Curved Flat pars convoluta and two stud portions, the top side in the stud portion is equipped with external screw thread, the Curved Flat pars convoluta includes a cross bar portion and two montant portions, the cross bar portion and montant portion are arranged vertically, the nut is set in stud portion, the nut includes annular portion and hexagonal portion, the annular portion is equipped with the fish scale shape lug of circle distribution close to the side in cross bar portion, arc convex is equipped between each side in the hexagonal portion and annular portion, the lateral surface of the bolt body is coated with wear-resistant coating, the outside in the cross bar portion is equipped with buffer gasket, the buffer gasket is equipped with buffering salient point towards opening.The utility model changes into face contact from line contact, effectively enhances its rigid and bearing capacity, prevents from connecting not tight situation.
Description
Technical field
The utility model discloses a kind of flat U-bolt, belongs to bolt assembly technical field.
Background technology
U-bolt is commonly used in excavator fastening connection piece, and generally use round steel material sets band at the both ends of bolt
There is externally threaded threaded portion, threaded portion coordinates with specialized nut, so as to fulfill being fastenedly connected for different components.At present, U-bolt
The section in threaded portion and non-threaded portion be unified for circle, this kind of U-bolt is contacted with the way of contact of connector for line, contact
Area is small, often occurs connecting not tight situation, can be brought to user using failure, caused damages.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide for a kind of flat U-bolt, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides following technical solution to realize：
A kind of flat U-bolt, including bolt body and two nuts, it is characterized in that：The bolt body includes flat
Bending section and two stud portions, the Curved Flat pars convoluta is U-shaped, and its rectangular cross-section, and two shafts are not located at
The both ends end top of Curved Flat pars convoluta, the top side in the stud portion are equipped with external screw thread, and the Curved Flat pars convoluta includes a horizontal stroke
Bar portion and two montant portions, the cross bar portion and montant portion are integrally formed, and the two circular arc is excessive, the cross bar portion and montant
Portion is arranged vertically, and the montant portion and stud portion are circular arc smooth excessiveness, and the thickness in the montant portion is equal to stud portion diameter
2/3, the distance between two described montant portions are 15~25cm, the externally threaded length be equal to stud minister's degree 2/5~
1/2, the nut is set in stud portion, and the center of the nut is equipped with internal thread, and the external screw thread and internal thread match,
The nut includes annular portion and hexagonal portion, and the annular portion and hexagonal portion are integrally formed, and the annular portion is close to cross bar portion
Side be equipped with the fish scale shape lug of circle distribution, the section in the hexagonal portion is hexagon, each side in the hexagonal portion
Arc convex is equipped between face and annular portion, the lateral surface of the bolt body is coated with wear-resistant coating, the cross bar portion
Outside is equipped with buffer gasket, and the buffer gasket is equipped with buffering salient point towards opening.
As preferred：The material of the bolt body is stainless steel.
As preferred：The thickness of the wear-resistant coating is 0.8~1mm.
As preferred：A diameter of 2~3cm in the stud portion.
As preferred：The maximum length in the hexagonal portion is less than the outer diameter of annular portion.
As preferred：The externally threaded screw pitch is 1mm.
As preferred：The nut uses stainless steel, and the lateral surface of the nut is equipped with blackening layer.
The beneficial effects of the utility model：
It is handled by the non-threaded portion part flattening to bolt body so that contact of the bolt body with connecting component connects from line
It touches and changes into face contact, more Multi-Leaf Springs can be carried, and loading end and leaf spring contact surface are big, can improve steel spring plate
Integral rigidity intensity improves effectiveness in vibration suppression, effectively enhances its rigid and bearing capacity, prevents from connecting not tight situation,
And buffering salient point can play certain cushioning effect, and U-bolt is avoided directly with connected piece hard contact, to cause U-bolt
Threaded portion happening of occurring being broken, improve the service life of safety and U-bolt.
Description of the drawings
Fig. 1 is a kind of structure diagram of flat U-bolt of the utility model；
Fig. 2 is the side schematic view of annular portion in Fig. 1.
Reference numeral：1st, bolt body；11st, Curved Flat pars convoluta；111st, cross bar portion；112nd, montant portion；12nd, stud portion；2、
External screw thread；3rd, nut；31st, annular portion；32nd, hexagonal portion；4th, arc convex；5th, wear-resistant coating；6th, buffer gasket；7th, it buffers convex
Point；8th, internal thread；9th, fish scale shape lug.
Specific embodiment
To the utility model, a kind of flat U-bolt is described further referring to Figures 1 and 2.
A kind of flat U-bolt, including bolt body 1 and two nuts 3, the bolt body 1 includes Curved Flat pars convoluta
11 and two stud portions 12, the Curved Flat pars convoluta 11 is U-shaped, and its rectangular cross-section, and positions are distinguished in two stud portions 12
It is pushed up in the both ends end of Curved Flat pars convoluta 11, the top side in the stud portion 12 is equipped with external screw thread 2, and the Curved Flat pars convoluta 11 wraps
A cross bar portion 111 and two montant portions 112 are included, the cross bar portion 111 and montant portion 112 are integrally formed, and the two circular arc
Excessively, the cross bar portion 111 is arranged vertically with montant portion 112, and the montant portion 112 and stud portion 12 are circular arc smooth excessiveness,
The thickness in the montant portion 112 be equal to the distance between the 2/3 of 12 diameter of stud portion, two described montant portions 112 for 15~
25cm, the length of the external screw thread 2 are equal to the 2/5~1/2 of 12 length of stud portion, and the nut 3 is set in stud portion 12, institute
The center for stating nut 3 is equipped with internal thread 8, and the external screw thread 2 and internal thread 8 match, and the nut 3 includes annular portion 31 and six
Corner 32, the annular portion 31 and hexagonal portion 32 are integrally formed, and the annular portion 31 is equipped with close to the side in cross bar portion 111
The fish scale shape lug 9 of circle distribution, the section in the hexagonal portion 32 is hexagon, each side in the hexagonal portion 32 and annulus
Arc convex 4 is equipped between portion 31, the lateral surface of the bolt body 1 is coated with wear-resistant coating 5, the cross bar portion 111
Outside is equipped with buffer gasket 6, and the buffer gasket 6 is equipped with buffering salient point 7 towards opening；The material of the bolt body 1 is
Stainless steel；The thickness of the wear-resistant coating 5 is 0.8~1mm；A diameter of 2~3cm in the stud portion 12；The hexagonal portion 32
Maximum length be less than annular portion 31 outer diameter；The screw pitch of the external screw thread 2 is 1mm；The nut 3 uses stainless steel,
The lateral surface of the nut 3 is equipped with blackening layer.
By handling 1 non-threaded portion part flattening of bolt body so that contact of the bolt body 1 with connecting component is from line
Face contact is changed into contact, can carry more Multi-Leaf Springs, and loading end and leaf spring contact surface are big, can improve spring steel
Plate integral rigidity intensity improves effectiveness in vibration suppression, effectively enhances its rigid and bearing capacity, prevents from connecting not tight feelings
Condition, and buffering salient point 7 can play certain cushioning effect, and U-bolt is avoided directly with connected piece hard contact, to cause U-shaped
What being broken occurred in the threaded portion of bolt happens, and improves the service life of safety and U-bolt.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of flat U-bolt, including bolt body and two nuts, it is characterized in that：The bolt body includes Curved Flat
Pars convoluta and two stud portions, the Curved Flat pars convoluta is U-shaped, and its rectangular cross-section, and two shafts Wei Yu not be flat
The both ends end top of flat bending section, the top side in the stud portion are equipped with external screw thread, and the Curved Flat pars convoluta includes a cross bar
Portion and two montant portions, the cross bar portion and montant portion are integrally formed, and the two circular arc is excessive, the cross bar portion and montant portion
It is arranged vertically, the montant portion and stud portion are circular arc smooth excessiveness, and the thickness in the montant portion is equal to the 2/ of stud portion diameter
3, the distance between two described montant portions are 15~25cm, and the externally threaded length is equal to the 2/5~1/ of stud minister's degree
2, the nut is set in stud portion, and the center of the nut is equipped with internal thread, and the external screw thread and internal thread match, institute
It states nut and includes annular portion and hexagonal portion, the annular portion and hexagonal portion are integrally formed, and the annular portion is close to cross bar portion
Side is equipped with the fish scale shape lug of circle distribution, and the section in the hexagonal portion is hexagon, each side in the hexagonal portion
Be equipped with arc convex between annular portion, the lateral surface of the bolt body is coated with wear-resistant coating, the cross bar portion it is outer
Side is equipped with buffer gasket, and the buffer gasket is equipped with buffering salient point towards opening.
2. a kind of flat U-bolt according to claim 1, it is characterized in that：The material of the bolt body is stainless steel.
3. a kind of flat U-bolt according to claim 1, it is characterized in that：The thickness of the wear-resistant coating for 0.8~
1mm。
4. a kind of flat U-bolt according to claim 1, it is characterized in that：A diameter of 2~3cm in the stud portion.
5. a kind of flat U-bolt according to claim 1, it is characterized in that：The maximum length in the hexagonal portion is less than circle
The outer diameter of ring portion.
6. a kind of flat U-bolt according to claim 1, it is characterized in that：The externally threaded screw pitch is 1mm.
7. a kind of flat U-bolt according to claim 1, it is characterized in that：The nut uses stainless steel, described
The lateral surface of nut is equipped with blackening layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721335733.6U CN207500298U (en) | 2017-10-17 | 2017-10-17 | A kind of flat U-bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721335733.6U CN207500298U (en) | 2017-10-17 | 2017-10-17 | A kind of flat U-bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500298U true CN207500298U (en) | 2018-06-15 |
Family
ID=62500501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721335733.6U Expired - Fee Related CN207500298U (en) | 2017-10-17 | 2017-10-17 | A kind of flat U-bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500298U (en) |
-
2017
- 2017-10-17 CN CN201721335733.6U patent/CN207500298U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 |